Home / 727,209-1,090,931.67-214,926.12

Finding the Fourth Proportional to 727,209, 1,090,931.67 and 214,926.12

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Solution

The fourth proportional to 727,209, 1,090,931.67 and 214,926.12 is: 322,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,209 : 1,090,931.67 = 214,926.12 : x
  2. Step 2: Convert to fraction form
    727,209/1,090,931.67 = 214,926.12/x
  3. Step 3: Cross multiply
    727,209x = 1,090,931.67 × 214,926.12
  4. Step 4: Simplify right side
    727,209x = 234,469,711,018.22
  5. Step 5: Solve for x
    x = 234,469,711,018.22/727,209
  6. Step 6: Final answer
    x = 322,424.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.